+ mm-page_alloc-remove-a-wrapper-for-alloc_migration_target.patch added to -mm tree

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The patch titled
     Subject: mm/page_alloc: remove a wrapper for alloc_migration_target()
has been added to the -mm tree.  Its filename is
     mm-page_alloc-remove-a-wrapper-for-alloc_migration_target.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/mm-page_alloc-remove-a-wrapper-for-alloc_migration_target.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/mm-page_alloc-remove-a-wrapper-for-alloc_migration_target.patch

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------------------------------------------------------
From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Subject: mm/page_alloc: remove a wrapper for alloc_migration_target()

There is a well-defined standard migration target callback.  Use it
directly.

Link: http://lkml.kernel.org/r/1592892828-1934-9-git-send-email-iamjoonsoo.kim@xxxxxxx
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Roman Gushchin <guro@xxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/page_alloc.c     |    9 +++++++--
 mm/page_isolation.c |   11 -----------
 2 files changed, 7 insertions(+), 13 deletions(-)

--- a/mm/page_alloc.c~mm-page_alloc-remove-a-wrapper-for-alloc_migration_target
+++ a/mm/page_alloc.c
@@ -8354,6 +8354,11 @@ static int __alloc_contig_migrate_range(
 	unsigned long pfn = start;
 	unsigned int tries = 0;
 	int ret = 0;
+	struct migration_target_control mtc = {
+		.nid = zone_to_nid(cc->zone),
+		.nmask = &node_states[N_MEMORY],
+		.gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL,
+	};
 
 	migrate_prep();
 
@@ -8380,8 +8385,8 @@ static int __alloc_contig_migrate_range(
 							&cc->migratepages);
 		cc->nr_migratepages -= nr_reclaimed;
 
-		ret = migrate_pages(&cc->migratepages, alloc_migrate_target,
-				    NULL, 0, cc->mode, MR_CONTIG_RANGE);
+		ret = migrate_pages(&cc->migratepages, alloc_migration_target,
+				NULL, (unsigned long)&mtc, cc->mode, MR_CONTIG_RANGE);
 	}
 	if (ret < 0) {
 		putback_movable_pages(&cc->migratepages);
--- a/mm/page_isolation.c~mm-page_alloc-remove-a-wrapper-for-alloc_migration_target
+++ a/mm/page_isolation.c
@@ -306,14 +306,3 @@ int test_pages_isolated(unsigned long st
 
 	return pfn < end_pfn ? -EBUSY : 0;
 }
-
-struct page *alloc_migrate_target(struct page *page, unsigned long private)
-{
-	struct migration_target_control mtc = {
-		.nid = page_to_nid(page),
-		.nmask = &node_states[N_MEMORY],
-		.gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL,
-	};
-
-	return alloc_migration_target(page, (unsigned long)&mtc);
-}
_

Patches currently in -mm which might be from iamjoonsoo.kim@xxxxxxx are

mm-swap-fix-for-mm-workingset-age-nonresident-information-alongside-anonymous-pages.patch
mm-memory-fix-io-cost-for-anonymous-page.patch
mm-page_isolation-prefer-the-node-of-the-source-page.patch
mm-migrate-move-migration-helper-from-h-to-c.patch
mm-hugetlb-unify-migration-callbacks.patch
mm-hugetlb-make-hugetlb-migration-callback-cma-aware.patch
mm-migrate-make-a-standard-migration-target-allocation-function.patch
mm-gup-use-a-standard-migration-target-allocation-callback.patch
mm-mempolicy-use-a-standard-migration-target-allocation-callback.patch
mm-page_alloc-remove-a-wrapper-for-alloc_migration_target.patch




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